{"action":"Upgrade squid to 4.11-r0 or later.","affected":[{"fixed":"4.11-r0","introduced":"3.0"}],"component":"squid","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.10","exploited":false,"fixed_versions":["4.11-r0"],"id":"tcs_01M5NB7GC5NE4PVF1KVG2589AH","modified_at":"2026-09-21T06:17:52.465037550Z","published_at":"2020-04-15T20:15:13.473Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2019-12519","https://security.alpinelinux.org/vuln/CVE-2019-12519"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2019-12519","url":"https://osv.dev/vulnerability/ALPINE-CVE-2019-12519"}],"summary":"An issue was discovered in Squid through 4.7. When handling the tag esi:when when ESI is enabled, Squid calls ESIExpression::Evaluate. This function uses a fixed stack buffer to hold the expression wh"}